body{
    margin: 0px;
    background-image: url("../image/background2.jpg");
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.header{
    height: 60px;
    background-color: rgb(110, 197, 255);
    width: 100%;
    min-width: 800px;
    float: left;
    position: fixed;
    transition: all 0.15s;
    
}

.header:hover{
    background-color: rgba(154, 215, 255, 0.3);
}

.header hr{
    margin: 0px;
}

.header h1{
    line-height: 60px;
    height: 60px;
    margin: 0px;
    margin-right: 20px;
    font-size: 35px;
    text-align: center;
    color: rgb(0, 0, 0);
    transition: all 0.15s;
}

.menu{
    margin: 10px;
    width: 13%;
    min-width: 185px;
    background-color: rgba(255, 255, 255, 0.9);
    transition: all 0.15s;
    position: fixed;
    float: left;
    border-radius: 10px;
}

.menu h2{
    margin-left: 5px;
    margin-bottom: 0px;
}

.menu ul{
    margin-top:0px;
}

.menu:hover{
    background-color: rgba(255, 255, 255,0.8);
}

.main{
    margin-top: 100px;
    min-width: 1400px;
    width: 100%;
    float: left;
}

.content{
    margin-left: 15%;
    background-color: rgba(250, 235, 215, 0.9);
    margin-top: 10px;
    border-radius: 10px;
    width: 1200px;
    margin-bottom: 200px;
    height: 1900px;
    float: left;
}